Assmann Corporation manufactures polyethylene tanks and containers with up to 12,000 US gallon capacities

They begin by selecting virgin resins with no re-grind for each application and manufacturing plastic tanks in one-piece construction via rotational molding. Their extensive processing experience and commitment to quality construction provides superior plastic storage tanks for the harshest chemical services.

Their high-density crosslink resin tanks are certified by NSF for chemical storage, while their linear polyethylene tanks are certified to NSF/ANSI Standard 61: Drinking Water System Components - Health Effects. The Certification is for multiple potable water contact materials up to 140°F. Their quality management system is also ISO 9001:2008 Certified, meaning their tanks are designed and manufactured under strict quality control standards.